Finding the Fourth Proportional to 5,449,815.36, 8,177,988.96 and 2,254,985.28
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Solution
The fourth proportional to 5,449,815.36, 8,177,988.96 and 2,254,985.28 is: 3,383,829.27
Step by Step Solution
- Step 1: Write the proportion equation
5,449,815.36 : 8,177,988.96 = 2,254,985.28 : x - Step 2: Convert to fraction form
5,449,815.36/8,177,988.96 = 2,254,985.28/x - Step 3: Cross multiply
5,449,815.36x = 8,177,988.96 × 2,254,985.28 - Step 4: Simplify right side
5,449,815.36x = 18,441,244,724,802.51 - Step 5: Solve for x
x = 18,441,244,724,802.51/5,449,815.36 - Step 6: Final answer
x = 3,383,829.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.